Arm numbness treatment methods include drug therapy, surgical treatment, dietary modification, etc., the specific treatment needs to be decided according to the cause of numbness. 1. Drug therapy: nerve damage can be used to nutritional nerve drugs such as methylcobalamin, B vitamins, glutamine, etc., arm numbness caused by diabetes need to use hypoglycemic drugs such as metformin, insulin, etc., carpal tunnel syndrome can be injected in the carpal tunnel prednisolone acetate. 2. Surgical treatment: cervical spondylosis, carpal tunnel syndrome and other causes of arm numbness, can be operated, if necessary, surgical treatment. 3. Dietary adjustments: such as diabetes caused by arm numbness need to follow a diabetic diet. Numbness of the arm need to consult a doctor in a timely manner, under the guidance of the doctor’s treatment, do not arbitrarily use their own medication, so as not to delay or aggravate the condition.